User Manual ALFA(NET) 3-IRS Spraydetector
Contents
1. o ro c o z pa ie z Oo 2 P s TOP zrg ba a q ASS Ls q SUPPLY RELAY Optional RS485 IRS lt Vac Vdc OUTPUT NETWORK sensor see product 5PDT 2 twisted pair sticker shielded RS 485 NETWORK CONNECTIONS 2 twisted pair shielded cable One of the Controllers can be the PC Interface Repeater is also a contr Place Terminator resistor of 250 Ohm only at both ends of the RS485 cable between line A and line B May be provided in the controller with a jumper For signal conditioning Place Pullup down resistors c ov Network connections q 4 F Shield only at z Shield only at Only at one point in the S Pair 1 3 o one side of onesideof Network May be provided in Connect A HI to A HI x 2 T thecable 5 7 thecable the controller with jumpers b Ba B LO to B LO ion l E to Earth A to Earth Or use ALFA 1 Ulich ia Oo Connect GND 0V to GND 0V amn h lt a lt ocococesesepit er an See EEE EES EE ENSA Shield Eo F 4 Aeara Taaa CAA AATA TASAA S Connect Shield to clean Earth Endpoint Network cable Connection Network cable Endpoint only on one side of cable Network 2 twised pair shielded point 2 twised pair shielded Network min 0 5mm Network min 0 5mm Pair 1 A B Pair 2 Gnd Max Cable lenath 1KM Pair 1 A B Pair 2 Gnd Note 1 AVOID LONG STUB CAB2. LES No longer than 0 5M otherwise use a Repeater
3. User Manual ALFA NET 3 IRS Spraydetector spray delay recirc A Min Cy ALFA 3 IRS VDH doc 080028 Version v1 0 Date 09 01 2008 Software 060721 _ALFA NET 3 IRS File Do080028 wpd Range 0 99 Minutes Installation On the topside of the ALFA NET 3 IRS is shown how the input power supply and relay have to be connected The ALFANET 3 IRS has a RS 485 network connection so it can be read out and adjusted on the Alfanet Function After connecting the ALFA NET 3 IRS to the power supply the led recirc will light up recirculation position unless the airflow detector detects an airflow As soon as an airflow is detected the relay will be energized PO2 0 and the led spray in the display spray position will light up With parameter P02 it is possible to reverse the relay function If the airflow stops the delay timer will start the led delay lights up and the remaining delay time is shown on the display After the delay time has passed the relay will be de energized and the led recirc lights up The controller is ready for the next spray cycle Manual mode The ALFA NET 3 IRS has also a manual mode By pushing the UP and DOWN keys simultaneous UP key first and than the DOWN key the spray detector comes into the manual mode The display shows hnd and the relay is energized By pushing UP DOWN again the manual mode will switch off Controlling The ALFA NET 3 IRS airflow detect
4. al 1 Reverse Network number only at ALFANET Software version Production year Production week Serial number x1000 Serial number units Error messages In the display of the ALFA 3 IRS the following error messages can appear EE Settings are lost Solution Reprogram the settings Technical details ALFA 3 IRS Airflow detector Mounting Panel mounting Dimensions gt 35x 77 x 71 5 mm hwd Panel hole 28x 70mm wb Common Supply 230 Vac 1 2VA 50 60Hz Or else see product sticker Relay SPDT 250V 16A C NO 8A C NC cos phi 1 Control through push buttons on the front Front Polycarbonate Range delay time Q 99 minutes or seconds Sensor RS sensor approach switch Communication Option Dee Network A B Gnd 2x twisted pair shielded min 0 5mm Provided with memory protection during power failure Connection with screw terminals on top and bottom side Special version on request available Adress VDH Products BV Tel 31 0 50 30 28 900 Produktieweg 1 Fax 31 0 50 30 28 980 9301 ZS Roden Email info vdhproducts nl Netherlands Internet www vdhproducts nl Dimensions 60 Connections ALFA NET REMARK To terminate RS485 Network j 2 Connect a 250 Ohm resistor between If applicable 3 IRS serie Line A and Line B at both cable ends Trafo 3VA 230 12Vac VDH art nr 350 010073 230Vac Oo gt pee m ee oe c wa O ojl
5. or can be controlled by three push buttons on the front These buttons are SET view change the set point and reset alarm 4 UP raise the value 7 DOWN lower the value Viewing the adjusted delay time By pushing the SET key the adjusted delay time is shown Also the led delay starts flashing A few seconds after releasing the SET key the delay time disappears and the status of the controller is visible again Changing the delay time Push the SET key and the delay time appears in the display Release the SET key Now push the SET key again and together with the UP or DOWN keys the delay time can be changed A few seconds after releasing the keys the status of the controller is visible again Setting internal parameters By pushing the DOWN key more than 10 seconds you enter the internal programming menu In the left display the upper and lower segment are blinking Over the UP and DOWN keys the required parameter can be selected see table for the parameters If the required parameter is selected the value can be read out by pushing the SET key Pushing the UP or DOWN keys together with the SET key allows you to change the value of this parameter If after 20 seconds no key is pushed the ALFA NET 3 IRS changes to it s normal operation mode Parameter tabel Para Description parameter Range Standard meter value Selection unit of time Min Sec 0 Minutes 1 Seconds Working air flow detector 0 Norm
Download Pdf Manuals
Related Search